Changing version from 1.15.0-SNAPSHOT to 2.0.0-SNAPSHOT.

Change-Id: I61a586cfc769275db78f4059a630ab0e0f87c6e7
diff --git a/tools/package/archetypes/rest/src/main/resources/archetype-resources/pom.xml b/tools/package/archetypes/rest/src/main/resources/archetype-resources/pom.xml
index e234bf6..440ddbf 100644
--- a/tools/package/archetypes/rest/src/main/resources/archetype-resources/pom.xml
+++ b/tools/package/archetypes/rest/src/main/resources/archetype-resources/pom.xml
@@ -32,7 +32,7 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <onos.version>1.15.0-SNAPSHOT</onos.version>
+        <onos.version>2.0.0-SNAPSHOT</onos.version>
 
         <web.context>/onos/${artifactId}</web.context>
         <api.version>1.0.0</api.version>